.icon{
  width:1em;
  height:1em;
  fill:currentColor;
  overflow:hidden;
  margin-right: 2px;
  display: block;
    height: 20px;
    margin-top: 5px;
    margin-bottom: 4px;
    background: 50% no-repeat;
    font-size:20px;
}
.icons{
  width:1em;
  height:1em;
  cursor: pointer;
}
.icons:hover{
  color: blue;
}